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Public Tours

The Observatory and gift shop are currently open with restrictions from 10 AM - 4 PM, Friday-Monday and every day by appointment from 8:30 AM to 5:30 PM.

Masks must be worn inside the Observatory. Whether visiting the gift shop or taking a tour, a maximum of four people (or up to six people all from the same household) are allowed at one time. Reservations for a visit at a specific time are encouraged by calling 617-696-0562 or by sending E-mail to dmccasland@bluehill.org. Tickets for tours may be purchased below.


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Weather Summaries

October 2020 Summary – Wetter and Snowier Than Average

October 2020 Summary – Wetter and Snowier Than Average

Blue Hill Observatory October 2020 Summary: October was warm and wet with one very snowy day. The 24-hour adjusted mean temperature for the month of 52.7 deg F was 1.6 degrees warmer than the 120-year average for October, and it was 1.3 degrees warmer than the 1981-2010 30-year average. The average maximum temperature of 61.2 […]

| November 11, 2020 | Reply
September 2020 Summary – Warmer and Drier Than Average

September 2020 Summary – Warmer and Drier Than Average

Blue Hill Observatory September 2020 Summary: September was warm and generally dry with above average sunshine. The 24-hour adjusted mean temperature for the month of 63.6 deg F was 2.4 degrees warmer than the 120-year average for September, and it was 1.5 degrees warmer than the 1981-2010 30-year average. The average maximum temperature of 73.2 […]

| October 9, 2020 | Reply

Weather Now

What's Happening on the Hill

Small Local Earthquake Observed on November 8th

Small Local Earthquake Observed on November 8th

Shortly after 9 AM EST on Sunday, November 8th, 2020 a small 3.6 magnitude earthquake shook parts of southeastern New England. The epicenter was about 6.2 miles below ground under Buzzard’s Bay and just offshore of Bliss Corner, in Dartmouth, Massachusetts. The earthquake was recorded on the seismographs at the Blue Hill Observatory and other […]

| November 9, 2020 | Reply
November Record Warmth at Blue Hill

November Record Warmth at Blue Hill

A period of unseasonably warm weather that arrived on Thursday, November 5th has brought several daily record high temperatures to the Observatory. The new records observed through November 11th are: 11/06/2020: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 72F,                      BREAKS PREVIOUS RECORD OF 71F SET IN 1959 AND 201511/07/2020: DAILY RECORD HIGH MAXIMUM TEMPERATURE OF 75F,                      TIES PREVIOUS […]

| November 9, 2020 | Reply
Record Snowfall at Blue Hill on October 30th

Record Snowfall at Blue Hill on October 30th

The remnants of Hurricane Zeta, another developing coastal storm behind it, and a very cold air mass for October have combined to provide a period of heavy rain on Thursday, October 29th, into the following night, which changed to snow early Friday morning. A total of 6.5 inches of snow was measured on the summit […]

| October 30, 2020 | Reply
Observatory and Gift Shop Reopen

Observatory and Gift Shop Reopen

The Blue Hill Observatory and Gift Shop are now open to the public with restrictions from Friday through Monday 10 A.M. – 4 P.M. and every day by appointment from 8:30 A.M. to 5:30 P.M. Please note, social distancing restrictions are being followed and face masks are required inside the Observatory. Group sizes are limited […]

| August 11, 2020 | Reply
Tim Kelley’s favorite websites

Tim Kelley’s favorite websites

As a follow up to Tim Kelley’s informative Blue Hill Online program last week, here are Tim’s favorite weather websites. https://bluehill.org/observatory https://www.weather.gov/ https://www.weather.gov/box/ https://mag.ncep.noaa.gov/model-guidance-model-area.php https://tgftp.nws.noaa.gov/data/raw/fo/fous61.kwno..txt https://home.pivotalweather.com/ https://www.weathertap.com/ https://www.spc.noaa.gov/ https://www.cpc.ncep.noaa.gov/products/precip/CWlink/pna/nao.shtml https://www.mountwashington.org/ https://www.wpc.ncep.noaa.gov/archives/web_pages/sfc/sfc_archive.php https://weather.msfc.nasa.gov/GOES/ https://www.weather.gov/nerfc/ https://ocean.weather.gov/Atl_tab.php

| May 8, 2020 | Reply